Bids Are Invited For Science Lab Equlpments Total Quantity : 84

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Bids Are Invited For Science Lab Equlpments, Glass slab 75mm ± 5mm x 50mm ± 5mm x12mm ± 2mm clear and bubble free 4 Glass prism 38 mm ± 5mm Equilateral clear and bubble free 6 Magnetic compass 90mm ± 5mm ABS plastic one side transparent with paper/plastic printed dial 6 Bar Magnet 50mm ± 5mm Alnico Pair with metallic keeper 4 Drawing Boards 300 ± 10mm x 450 ± 10mm x12mm ± 2mm (soft wood) 4 Spring balance 500 gm cap. Tubular Plastic body Transparent 6 Stop clock with start stop & fly back action Dial size approx. 100mm, divided in 0-60 x 1 sec 1 Resistance box plug type 0- 5000 Ohms fitted with brass plugs reading values 1, 2, 2, 5, 10, 20, 20,50, infinity,100, 200, 200,500,1000, 2000, 2000,5000 Ohms. Total 17 plugs. (Tolerance in Resistivity 5%). Plugs with plastic heads, contact blocks made of brass which is fitted on bakelite / Hylem / plastic base. The whole assembly fitted on an appropriate polished wooden box 1 Optical bench, One meter long, double MS chrome plated rod dia 15mm ±1mms, four uprights (two having slow transverse motions), two lens holders, two optical pins & two caste iron heavy metallic feet with leveling screws. 1 Constantan wire 28 SWG on a plastic reel 100 gm 1 Mirror strip with holder 100 ±5mm x 25 mm ± 2mm, Plastic holder 10 Meter rod 100cm Polished 5 Resistance coil (2,5,10,20, ohms with brass terminal (1 each),overall size 75mmx45x35mm + 5mm made of bakelite / plastic material fitted with brass terminals and half round from both sides 1 each Voltmeter (0-5V) plastic body with terminal, Square type grade A packed in suitable styrofoam case. 3 Galvanometer 30-0-30 plastic body with terminal, Grade A Square type packed in suitable styrofoam case. 3 Laclanchee Cell Comprising of a plastic jar , one piece filled porous pot and one zinc rod with terminals, porous pot should be filled with a mixture of manganese dioxe and carbon 1 Ammeter 0-1.5A, plastic body with terminal, Square type grade A packed in suitable styrofoam case. 3 Battery eliminator 2 Amp 0-12 volt in plastic body with indicator in individual cardboard case 2 Connecting wire Double cloth covered 100gm nett weight , SWG – 28 1 Convex Lens Dia 2 inch (±5mm), focal length 15 cm (±1cm), 5 Convex Lens Dia 2 inch (±5mm), focal length 20 cm (±1cm), 5 Concave lens Dia 2 inch (±5mm), focal length 10 cm (±1cm), 5 Concave lens Dia 2 inch (±5mm), focal length 15 cm (±1cm), 5 Concave lens Dia 2 inch (±5mm), focal length 20 cm (±1cm) 5 Concave mirror etc. Total Quantity : 84